S-94450A513 5-40 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial environments.
• Secure left-hand thread engagement prevents loosening under counter-clockwise rotational forces, ideal for specialized machinery.
• Optimized thin profile design saves space and weight without compromising strength, perfect for compact assemblies.
• Precise Class 2B thread fit guarantees smooth assembly and consistent clamping force, reducing installation time and effort.
• Robust UNC coarse threading provides excellent resistance to vibration and cross-threading, enhancing operational safety.
• External hex drive compatibility allows for standard tool use and high-torque application, ensuring efficient maintenance.
• Full regulatory compliance with RoHS 3 and REACH standards, meeting strict environmental and safety requirements for global supply chains.

Professional Applications & Engineering Value

This 5-40 UNC left-hand thin hex nut is engineered to address critical challenges in industrial settings where reverse-thread fastening is essential. Made from 18-8 stainless steel, it offers superior corrosion resistance, making it ideal for applications exposed to moisture, chemicals, or outdoor elements. The coarse UNC thread and Class 2B thread fit ensure reliable engagement in high-vibration environments, such as rotating machinery, automotive systems, and conveyor equipment, preventing accidental loosening. Its thin hex profile provides a low-profile solution for space-constrained assemblies without sacrificing durability. Commonly used in maintenance-sensitive and safety-critical components, this nut delivers consistent performance for left-hand threaded fastening needs, reducing downtime and enhancing system integrity.

Specification Summary & Compliance

This hex nut adheres to inch system standards with a 5-40 UNC coarse thread and Class 2B thread fit for precise dimensional accuracy. Key specifications include a width of 5/16 inch and height of 3/32 inch, ensuring compatibility with standard tools. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for industrial applications requiring environmental responsibility.